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  1. Home
  2. Huawei
  3. HCIA-Datacom V1.0
  4. Huawei.H12-811-ENU.v2023-05-29.q159
  5. Question 1

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Question 1/159

Which of the following methods can read data non-blocking in Python's telnetlib?

Correct Answer: C

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Other Question (159q)
Q1. Which of the following methods can read data non-blocking in Python's telnetlib?...
Q2. What kind of message does the DHCP server use to confirm that the host can use the IP addr...
Q3. Neither the Alternate interface nor the Backup port in RSTP can forward user traffic, nor ...
Q4. The network devices running the SNMP protocol are running locally-an agent process....
Q5. Which of the following descriptions about wireless devices is correct?...
Q6. The network shown in the figure below. The administrator hopes that RTA uses static routin...
Q7. In the network shown in the figure, which of the following description is correct? (Exhibi...
Q8. Network equipment running the SNMP protocol can take the initiative to report alarm inform...
Q9. The tree network topology is actually a hierarchical star structure, which is easy to expa...
Q10. Which of the following working modes are supported by Huawei Enterprise AP? (Multiple Choi...
Q11. When the IPv4 protocol is used as the network layer protocol, which field is not included ...
Q12. In the CAPWAP tunnel establishment phase, after the AC receives the Join Request message s...
Q13. How to enter the view of OSPF area 0 in the vrp operating system? (Multiple choice)...
Q14. Which OSPF version below is suitable for IPv6?...
Q15. Which information of the data frame does the VLANIF interface use to determine whether to ...
Q16. After the system restarts the static MAC address table, the saved entries will not be lost...
Q17. Which of the following statements about the division of OSPF protocol area is wrong?...
Q18. Which of the following is not the reason for RSTP improving the convergence speed?...
Q19. As shown in the network below, all switches enable STP protocol. Disable SWA's G0/0/2 port...
Q20. If the broadcast address of a network is 172.16.1.255, what might its network address be?...
Q21. Which planes of the following does a network device have? (Multiple choice)...
Q22. Which of the following statements about link aggregation is correct?...
Q23. A company has 50 private IP addresses. The administrator uses NAT technology to connect th...
Q24. Hybrid port can be connected to user host and other switches....
Q25. The administrator wants all hosts to be unable to access the Internet between 8:00-17:00 e...
Q26. The Layer 2 switch is a data link layer device, which can identify the MAC address informa...
Q27. Through SR (Segment Routing), an explicit path can be easily defined. The nodes in the net...
Q28. In the WLAN architecture, the FIT AP cannot work independently and needs to be managed by ...
Q29. Trunk ports can allow multiple VLANs to pass, including VLAN4096....
Q30. As shown in the figure, after the two routers are configured with OSPF, the administrator ...
Q31. On Huawei switches, you can use the command vlan batch to create multiple VLANs in batches...
Q32. Which of the following statements about the default route are correct? (Multiple Choice)...
Q33. When deploying ACL on Huawei devices, which of the following description is correct? (Mult...
Q34. Refer to the route-in-a-stick configuration in the figure below, it can be judged that the...
Q35. Which of the following fields does the ARP packet format include? (Multiple choice)...
Q36. As shown in the figure below, the network and switch configuration information are shown i...
Q37. Complete the ACL configuration shown in the figure on the router RTA, which of the followi...
Q38. When two OSPF routers form a 2-WAY neighbor relationship, the LSDB has been synchronized....
Q39. The router Radius information configuration is shown in the figure. Which of the following...
Q40. Which extension headers are supported by IPv6 packets? (Multiple choice)...
Q41. The MAC address table of the existing switch is shown in the figure. Which of the followin...
Q42. In the network as shown in the figure below, the host has an ARP cache. Which of the follo...
Q43. An existing switch is connected to a designated port through a port, but the port does not...
Q44. The switch receives a unicast data frame. If the destination MAC of the data frame can be ...
Q45. The router needs to modify the destination IP address in the data packet when forwarding d...
Q46. The Priority field in the VLAN tag can identify the priority of the data frame. What is th...
Q47. Which state does the OSPF protocol use to indicate that the adjacency relationship has bee...
Q48. The Backup ports in RSTP may alternatively failed root port....
Q49. Which of the following statements about IPv6 multicast addresses are correct? (Multiple Ch...
Q50. In the network shown in the figure below, which of the following commands can be entered o...
Q51. Which of the following statement about Python is incorrect?...
Q52. The second layer ACL can match the source MAC, destination MAC, source IP, destination IP ...
Q53. On which layer of the OSI reference model does the Ethernet switch work?...
Q54. Which statement about the Hybrid port is correct?...
Q55. When Huawei switches allow STP, the priority of the switch is by default:...
Q56. In the network shown in the figure below, the host has an ARP cache, and host A sends a pa...
Q57. Regarding the IPv6 address 2031:0000:720C:0000:0000:09E0:839A:130B, which of the following...
Q58. As shown in the figure, a static NAT command is deployed on router R1. When the PC accesse...
Q59. If the transport layer protocol is UDP, the value of the network layer Protocol field is 6...
Q60. The administrator plans to implement route backup by configuring static floating routes, w...
Q61. The routing table output information of a router is shown in the figure. Which of the foll...
Q62. Which of the following statement about static routing in Huawei equipment is wrong?...
Q63. What is the coverage area of an AP in WLAN?
Q64. Which of the following characteristics does the OSPF protocol have? (Multiple Choice)...
Q65. In the RSTP standard, in order to improve the convergence speed, the port that the switch ...
Q66. As shown in the figure, all four switches run STP, and various parameters adopt default va...
Q67. Which of the following authentication methods does not require the user name and password?...
Q68. In the network shown in the figure below, host A logs in to router A through Telnet, and t...
Q69. If the largest number in an ACL rule is 12, by default, the user does not specify a number...
Q70. In order to realize the network layer function on VLANIF interface, what need to be config...
Q71. The last option field of IPv4 is variable-length optional information. What is the maximum...
Q72. VLAN 4095 cannot be created on Huawei switches, and VLAN 1 cannot be created....
Q73. When the Trunk port send the data frame, how to deal with?...
Q74. Which version of the SNMP protocol below supports encryption features?...
Q75. If STP is not turned on for the network composed of switches, there must be a Layer 2 loop...
Q76. The MAC address table of existing switches is shown in the figure. Which of the following ...
Q77. The network management workstation manages network equipment through the SNMP protocol. Wh...
Q78. What are the network types supported by the OSPF protocol? (Multiple Choice)...
Q79. Connection between switches and hosts, which port link type is often used by the switch?...
Q80. What is the range of VLAN ID that users can use?...
Q81. On Huawei routers, what is the default value of the OSPF protocol internal routing priorit...
Q82. Which of the following options are configured in a Layer 2 ACL? (Multiple choices)...
Q83. As shown in the figure below, router A has Telnet router B through IP address 10.0.12.2. I...
Q84. What is the main function of the DNS protocol?...
Q85. What is the number range of advanced ACL?
Q86. Which stage of the life cycle of campus network construction is the beginning of a project...
Q87. The administrator cannot log in to the Huawei router through Telnett, but other administra...
Q88. By default, what is the STP Forward Delay time in seconds?...
Q89. What is the maximum negotiation rate supported by the IEEE 802.llg standard?...
Q90. Which type of message is used by network devices running SNMPv 1 protocol to actively send...
Q91. At present, the company has a network administrator, and the AR2200 in the company network...
Q92. On the VRP platform, which of the following methods can be used to access the previous his...
Q93. The network shown below, it is desirable host traffic network administrator during plannin...
Q94. What address does 192.168.1.127/25 represent?
Q95. The network administrator created VLAN 10 on the Layer 3 switch and configured an IP addre...
Q96. Which fields in the IPv4 header are related to fragmentation? (Multiple Choice)...
Q97. Telnet is based on TCP protocol.
Q98. The device port running STP protocol is in Forwarding state. Which of the following statem...
Q99. The IPv6 protocol uses NS and NA packets for duplicate address detection (DAD)....
Q100. What is the first operation performed by the FIT AP after obtaining the AC's IP address?...
Q101. The controller is the core component of SDN. The controller connects to the device through...
Q102. Which of the following parameters is not included in the configuration BPDU of the STP pro...
Q103. There is no channel overlap in the 14 available frequency bands in the 2.4GHz frequency ba...
Q104. Which of the following statements about direct routing is correct?...
Q105. FAT AP can independently complete wireless user access, wireless user authentication, and ...
Q106. Which of the following refers to network communication? (Multiple choice)...
Q107. How many bits are there in the VLAN ID in the VLAN format defined by IEEE802.1Q?...
Q108. On the VRP platform, the default protocol priority of routes in the direct routing, static...
Q109. As shown in the figure, there is a web server in the private network that needs to provide...
Q110. On Huawei ARG3 series routers, what authentication modes does AAA support? (Multiple Choic...
Q111. VRP operating platform, which of the following commands can only view static routes?...
Q112. In the network shown in the figure, the administrator hopes that all hosts cannot access t...
Q113. VRP operating system commands are divided into 4 levels: access level, Monitoring level, C...
Q114. There is no channel overlap in the 14 available frame segments in the 185.2.4 GHz frame se...
Q115. The output information of the sub-interface of a router aggregate port 1 is shown in the f...
Q116. By default, network devices running SNMPv2c protocol use which of the following port numbe...
Q117. In the network shown in the figure below, the router receives a data packet with a destina...
Q118. Which of the following messages is used by AP to request software version from AC?...
Q119. The management of users by NAS devices is based on domains. Each user belongs to a domain,...
Q120. UDP cannot guarantee the reliability of data transmission, and does not provide functions ...
Q121. The following statements about the election of active ports in link aggregation LACP mode....
Q122. In which of the following network types does the OSPF protocol need to elect DR and BDR? (...
Q123. Which of the following IPv6 addresses is a multicast address?...
Q124. What is the length of the Ethernet_II frame containing the Ethernet header?...
Q125. What frequency does IEEE 802.11n support? (Multiple Choice)...
Q126. If the broadcast address of a network is 172.16.1.255, then what may its network address b...
Q127. In the network shown in the figure below, host A is not configured with a gateway, and hos...
Q128. Which statement is wrong about the ARP message?...
Q129. If the network address of a network is 10.1.1.0/30, what is its broadcast address?...
Q130. What is the total length of the VLAN frame format defined by IEEE802.1Q?...
Q131. The host uses the IP address 192.168.1.2 to access the Internet, which must go through NAT...
Q132. FIT AP can work independently without relying on AC....
Q133. Which of the following cannot be the length of the IPv4 packet header?...
Q134. In the OSPF broadcast network, which routers will a Dothter router exchange link state inf...
Q135. When using FTP for file transfer, how many TCP connections will be established?...
Q136. After the network administrator uses the TracertRoute function on the router device, in th...
Q137. Which of the following types does IPv6 address contain?...
Q138. The subnet mask of a network segment 150.25.0.O is 255.255.224.0, then what is a valid hos...
Q139. As shown in the figure below, the MAC address table of SWA is as follows. The switch can't...
Q140. In the campus network planning, which of the following ways can business VLAN be divided?...
Q141. The network administrator of a certain company wants to uniformly divide the users who oft...
Q142. Which of the following descriptions are correct about the concept of IEV architecture? (Mu...
Q143. Which of the following networks belong to a local area network? (Multiple choice)...
Q144. Which of the following statement about static routing is wrong?...
Q145. In the VRP interface, use the command delete vrpcfg.zip to delete the file. You must empty...
Q146. Regarding the control plane of the device, which of the following statements is correct? (...
Q147. What is the full name of the general routing platform VRP?...
Q148. Which of the following port states is not included in the RSTP protocol?...
Q149. The network management system can only view the operating status of the device through the...
Q150. NFV (Network Functional Virtualization), network function virtualization realizes the depl...
Q151. Which of the following SNMP packets are sent to the NMS by the Agent on the managed device...
Q152. Which of the following statement about the TTL field in the IP packet header is correct?...
Q153. 44.Which of the following protocols consist of the PPP protocol? (Multiple Choice)...
Q154. The correct description of the information as shown in the figure is (). [R1]display inter...
Q155. Which of the following commands can modify the device name to huawei?...
Q156. When using the FTP protocol to upgrade the router software, which of the following transmi...
Q157. In the network shown in the figure below, the bridge ID of the switch has been marked. Ent...
Q158. The classic network forwarding method is based on router routing table forwarding. The for...
Q159. PPPoE session can only use CHAP authentication....
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